This page details and compares available CI-as-a-Service (CISaaS) platforms for open source communities.
SCM Support by Platform
This table details the support for CI systems to report back the status of builds to SCM providers.
| Gerrit | Github | GitLab | Bitbucket | |
|---|---|---|---|---|
| Jenkins |  | | | |
| CircleCI | | | ||
| Azure Pipelines | | | ||
Drone.io | | |||
| Github Actions | | |||
| GitLab-CI | | | † |
† https://docs.gitlab.com/ee/ci/ci_cd_for_external_repos/bitbucket_integration.html
Note: a similar approach could be used for other SCMs provided there is an API for updating CI status